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| author | Gabor Juhos <juhosg@openwrt.org> | 2010-03-05 20:29:10 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2010-03-05 20:29:10 +0000 |
| commit | ba288eeb84062299974a0087ae8ba39517086e85 (patch) | |
| tree | 16c1c1c4e953c68cfde8ba0332e7f5113d5363a7 | |
| parent | 52564dc5e38d7eac33b6dd68b84cb0f7d7af955d (diff) | |
| download | mtk-20170518-ba288eeb84062299974a0087ae8ba39517086e85.zip mtk-20170518-ba288eeb84062299974a0087ae8ba39517086e85.tar.gz mtk-20170518-ba288eeb84062299974a0087ae8ba39517086e85.tar.bz2 | |
ar71xx: ag71xx: use dma_unmap_single to unmap frames
SVN-Revision: 20001
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h | 8 | ||||
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c | 11 |
2 files changed, 14 insertions, 5 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h index 74593dd..5e3573b 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h @@ -38,7 +38,7 @@ #define ETH_FCS_LEN 4 #define AG71XX_DRV_NAME "ag71xx" -#define AG71XX_DRV_VERSION "0.5.29" +#define AG71XX_DRV_VERSION "0.5.30" #define AG71XX_NAPI_WEIGHT 64 #define AG71XX_OOM_REFILL (1 + HZ/10) @@ -88,8 +88,10 @@ struct ag71xx_desc { } __attribute__((aligned(4))); struct ag71xx_buf { - struct sk_buff *skb; - struct ag71xx_desc *desc; + struct sk_buff *skb; + struct ag71xx_desc *desc; + dma_addr_t dma_addr; + u32 pad; }; struct ag71xx_ring { diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c index a3edd43..cb4ccf0 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c @@ -185,9 +185,11 @@ static void ag71xx_ring_rx_clean(struct ag71xx *ag) return; for (i = 0; i < AG71XX_RX_RING_SIZE; i++) - if (ring->buf[i].skb) + if (ring->buf[i].skb) { + dma_unmap_single(&ag->dev->dev, ring->buf[i].dma_addr, + AG71XX_RX_PKT_SIZE, DMA_FROM_DEVICE); kfree_skb(ring->buf[i].skb); - + } } static int ag71xx_ring_rx_init(struct ag71xx *ag) @@ -223,6 +225,7 @@ static int ag71xx_ring_rx_init(struct ag71xx *ag) AG71XX_RX_PKT_SIZE, DMA_FROM_DEVICE); ring->buf[i].skb = skb; + ring->buf[i].dma_addr = dma_addr; ring->buf[i].desc->data = (u32) dma_addr; ring->buf[i].desc->ctrl = DESC_EMPTY; } @@ -264,6 +267,7 @@ static int ag71xx_ring_rx_refill(struct ag71xx *ag) DMA_FROM_DEVICE); ring->buf[i].skb = skb; + ring->buf[i].dma_addr = dma_addr; ring->buf[i].desc->data = (u32) dma_addr; } @@ -684,6 +688,9 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit) pktlen = ag71xx_desc_pktlen(desc); pktlen -= ETH_FCS_LEN; + dma_unmap_single(&dev->dev, ring->buf[i].dma_addr, + AG71XX_RX_PKT_SIZE, DMA_FROM_DEVICE); + skb_put(skb, pktlen); skb->dev = dev; |